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Loose Water-milfoil

Myriophyllum laxum

Found in limesink depression ponds (dolines), spring-runs, rarely also in lakes. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

36
Good

Native to Mississippi. How scores work Is it native here?

Profile 76%

Light
Full sun
Soil moisture
Wet to standing water
Will it fit your yard?

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Life cycle
Perennial
Bloom
June to October

Not yet recorded · Height · Spread · Leaves

Height: NC species account not read yet.

Spread and leaves: no source found yet.

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 2 Mississippi counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Depression ponds and limesinks

Shallow ponds in Coastal Plain depressions, such as limesinks and the ponds in some Carolina bays, that rise and fall with the seasons.

Ponds, lakes and their shores

Still water and its edges: ponds, lakes, millponds and reservoirs.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Mississippi. Shared habitat, not food. 76 animals.

Widespread birds also seen here (33)

Found in many habitats here, so not listed above.

All wildlife of Mississippi

Ecological relationships

Who uses this plant?

What these records mean

6CaterpillarsGenus host records with ranges including MS

Genus host records with ranges including MS · Myriophyllum

  • Argyrotaenia ivanaIvana Leafroller Moth
  • Choristoneura parallelaParallel-Banded Leafroller, Spotted Fireworm Moth
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
  • Parapoynx badiusalisChestnut-Marked Pondweed Moth
  • Spodoptera latifasciaOrange-Striped Armyworm, Velvet Armyworm Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
6BirdsRecorded eating Myriophyllum in Mississippi

Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Mississippi, most records first.

Avian Diet Database (Hurlbert Lab)

Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Birds that eat Myriophyllum 6

Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.

Growing and identification

Plant details

Family
Haloragaceae
Flower color
Pink
Growing sources and scope
Also known as

Loose Water milfoil

Conservation status

Mississippi rankS1
Global rankG3
MS statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources